tkconstructors.com

Valid Email Server
Domain Lookup › tkconstructors.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tkconstructors.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 14:23:50 UTC · ↺ Refresh

MX Hostnames

  • d157840b.ess.barracudanetworks.com
  • d157840a.ess.barracudanetworks.com

MX Priorities

  • d157840a.ess.barracudanetworks.com: 10
  • d157840b.ess.barracudanetworks.com: 10

A / AAAA Records

  • 160.153.0.68 ↩ 68.0.153.160.host.secureserver.net

Mail Server IPs

  • 209.222.82.255 ↩ mail.ess.barracuda.com
  • 209.222.82.252 ↩ mail.ess.barracuda.com
  • 209.222.82.253 ↩ mail.ess.barracuda.com

SOA Record

Raw SOA dns41.cloudns.net support.cloudns.net 2026012901 7200 1800 1209600 3600
Primary NS (mname)
dns41.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026012901
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns41.cloudns.net
dns44.cloudns.net
dns42.cloudns.net
dns43.cloudns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.ess.barracudanetworks.com include:lassocrm.com include:smtp.mark55demo.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • apple-domain-verification=yFyPGweV1uweOKSMtGNEFqRuLYvULdL9CXDHCp4c_Us
  • amazon-business-verification=f70946027083062198937ea50273b28160bc9e8ed2098d42456ab291df397976
  • MS=ms43678135
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.ess.barracudanetworks.com include:lassocrm.com include:smtp.mark55demo.com ~all
  • google-site-verification=GN2wgh8xOUNZEb2FGvF00dRMQLvIPHLCKM5eshwr74w
  • apple-domain-verification=VIm24qJyLlI4QCNR
  • 1o8k5q4iu7i09ipr0qsj1hagmi
  • 3rbccfdrt0ghijr5r9b1j6k99l
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